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公开(公告)号：US1890251A
公开(公告)日：1932-12-06
申请号：US21611727
申请日：1927-08-29
Applicant: FOWLER GILBERT J
Inventor： FOWLER GILBERT J
CPC classification number: B01D35/10 , B01D33/04 , B01D33/056 , B01D33/461 , B01D33/663 , B01D33/72 , B01D37/00 , B01D2201/48
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